Portqry.exe is a command-line utility that you can use to help troubleshoot TCP/IP connectivity issues. Portq
Elastic uses Alpine Linux as base image for their Elasticsearch docker images. Since v5.3.1 there will be no more supported docker images on dockerhub with Debian, it made it necessary to rewrite my docker files for my company. One obstacle is to assign the elasticsearch user to a specific uid and gid on the docker host system.
How to install the ruby bundler behind a proxy with sudo.
To delete documents from an index has changed in Version 5. A little example how to delete documents in Elasticsearch v5.1.x, how to monitor the status and free up the disk space.
A small example how to count documents in Elasticsearch using the Query DSL Aggregations.
Sonarqube is a starting point to find flaws in your source code. This post gives an introduction and demonstrates how to exclude false positives.
If you use logstash to send logs to elasticsearch in JSON format, you may experience a
_timestampparsefailure for this date format
[24/Jan/2017:09:04:07 +0100]. This date format is often used in the
access.log e.g. JBoss EAP. To solve that, just add an additional date format pattern into the index template.
At my team kickoff meeting was a small coding session. The main objective is to create a tech-radar. In short, technology radars are a way to assess and evaluate your current work with your technology ecosystem. This is, in my humble opinion, a mandatory tool for knowing what you have and what you need to accomplish or align to the company’s strategy.